Headset microphone



FIG. 1 is a right isometric view of a new design for a headset microphone;

FIG. 2 is a left isometric view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a front view thereof; and,

FIG. 8 is a rear view thereof. 

CLAIM The ornamental design for a headset microphone, as shown and described. 